01: /* Copyright (C) 2004 - 2007 db4objects Inc. http://www.db4o.com
02:
03: This file is part of the db4o open source object database.
04:
05: db4o is free software; you can redistribute it and/or modify it under
06: the terms of version 2 of the GNU General Public License as published
07: by the Free Software Foundation and as clarified by db4objects' GPL
08: interpretation policy, available at
09: http://www.db4o.com/about/company/legalpolicies/gplinterpretation/
10: Alternatively you can write to db4objects, Inc., 1900 S Norfolk Street,
11: Suite 350, San Mateo, CA 94403, USA.
12:
13: db4o is distributed in the hope that it will be useful, but WITHOUT ANY
14: WARRANTY; without even the implied warranty of MERCHANTABILITY or
15: FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
16: for more details.
17:
18: You should have received a copy of the GNU General Public License along
19: with this program; if not, write to the Free Software Foundation, Inc.,
20: 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
21: package com.db4o.test;
22:
23: import com.db4o.*;
24:
25: public class CallbackCanDelete {
26:
27: public String _name;
28:
29: public CallbackCanDelete _next;
30:
31: public CallbackCanDelete() {
32:
33: }
34:
35: public CallbackCanDelete(String name_, CallbackCanDelete next_) {
36: _name = name_;
37: _next = next_;
38: }
39:
40: public void storeOne() {
41: Test.deleteAllInstances(this );
42: _name = "p1";
43: _next = new CallbackCanDelete("c1", null);
44: }
45:
46: public void test() {
47: ObjectContainer oc = Test.objectContainer();
48: ObjectSet objectSet = oc.get(new CallbackCanDelete("p1", null));
49: CallbackCanDelete ccd = (CallbackCanDelete) objectSet.next();
50: oc.deactivate(ccd, Integer.MAX_VALUE);
51: oc.delete(ccd);
52: }
53:
54: public boolean objectCanDelete(ObjectContainer container) {
55: container.activate(this , Integer.MAX_VALUE);
56: Test.ensure(_name.equals("p1"));
57: Test.ensure(_next != null);
58: return true;
59: }
60:
61: }
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